diff options
Diffstat (limited to 'src/mesa/tnl/t_vb_program.c')
| -rw-r--r-- | src/mesa/tnl/t_vb_program.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vb_program.c b/src/mesa/tnl/t_vb_program.c index c10a27614ff..5fb83c2b01b 100644 --- a/src/mesa/tnl/t_vb_program.c +++ b/src/mesa/tnl/t_vb_program.c @@ -66,6 +66,7 @@ struct vp_stage_data { GLvector4f results[VERT_RESULT_MAX]; GLvector4f ndcCoords; /**< normalized device coords */ + GLfloat *clipdistance[MAX_CLIP_PLANES]; GLubyte *clipmask; /**< clip flags */ GLubyte ormask, andmask; /**< for clipping */ }; @@ -77,6 +78,7 @@ struct vp_stage_data { static void userclip( GLcontext *ctx, GLvector4f *clip, + GLfloat *clipdistance[MAX_CLIP_PLANES], GLubyte *clipmask, GLubyte *clipormask, GLubyte *clipandmask ) @@ -105,6 +107,8 @@ userclip( GLcontext *ctx, clipmask[i] |= CLIP_USER_BIT; } + clipdistance[p][i] = dp; + STRIDE_F(coord, stride); } @@ -164,6 +168,7 @@ do_ndc_cliptest(GLcontext *ctx, struct vp_stage_data *store) ctx->VertexProgram.Current->IsPositionInvariant)) { userclip( ctx, VB->ClipPtr, + store->clipdistance, store->clipmask, &store->ormask, &store->andmask ); @@ -171,6 +176,9 @@ do_ndc_cliptest(GLcontext *ctx, struct vp_stage_data *store) if (store->andmask) { return GL_FALSE; } + + memcpy(VB->ClipDistancePtr, store->clipdistance, + sizeof(store->clipdistance)); } VB->ClipAndMask = store->andmask; @@ -514,6 +522,10 @@ init_vp(GLcontext *ctx, struct tnl_pipeline_stage *stage) _mesa_vector4f_alloc( &store->ndcCoords, 0, size, 32 ); store->clipmask = (GLubyte *) ALIGN_MALLOC(sizeof(GLubyte)*size, 32 ); + for (i = 0; i < MAX_CLIP_PLANES; i++) + store->clipdistance[i] = + (GLfloat *) ALIGN_MALLOC(sizeof(GLfloat) * size, 32); + return GL_TRUE; } @@ -537,6 +549,9 @@ dtr(struct tnl_pipeline_stage *stage) _mesa_vector4f_free( &store->ndcCoords ); ALIGN_FREE( store->clipmask ); + for (i = 0; i < MAX_CLIP_PLANES; i++) + ALIGN_FREE(store->clipdistance[i]); + FREE( store ); stage->privatePtr = NULL; } |